.ibs{--ibs-paper:#fffaf8;--ibs-card:#ffffff;--ibs-ink:#3a3034;--ibs-sub:#6b5d63;--ibs-line:#f0dfe4;--ibs-rose:#b0496a;--ibs-rose-deep:#8f3553;--ibs-sakura:#fcecf0;--ibs-sakura-mid:#f2c4d0;--ibs-sakura-deep:#e597ab;--ibs-leaf:#4c7a35;--ibs-leaf-deep:#3a6127;--ibs-leaf-pale:#eef5e8;--ibs-blue:#3f6f8f;--ibs-blue-pale:#eef4f8;--ibs-cream:#fff8ea;--ibs-gold:#d9b56a;--ibs-maru-font:var(--ibs-maru),var(--sans,"Noto Sans JP"),sans-serif;--ibs-serif-font:var(--serif,"Noto Serif JP"),serif;background:var(--ibs-paper);color:var(--ibs-ink);min-height:100vh;font-family:var(--sans,"Noto Sans JP",sans-serif);font-size:1.0625rem;line-height:1.95;letter-spacing:.03em}.ibs img{max-width:100%;height:auto}.ibs figcaption,.ibs h1,.ibs h2,.ibs h3,.ibs-author-role,.ibs-hero-catch,.ibs-small-note,.ibs-stage-name,.ibs-worry-links{word-break:auto-phrase}.ibs dd,.ibs li,.ibs p{text-wrap:pretty;line-break:strict}.ibs h1,.ibs h2,.ibs h3,.ibs-brand,.ibs-btn,.ibs-chapter-label span,.ibs-footer-title,.ibs-hero-author,.ibs-hero-catch,.ibs-mentor-mark,.ibs-page-title,.ibs-prev-book strong,.ibs-stage,.ibs-teaser-label,.ibs-toc-no{font-family:var(--ibs-maru-font)}.ibs-chapter-note blockquote,.ibs-desc,.ibs-excerpt,.ibs-haiku-lines,.ibs-mentor-quote,.ibs-prev-desc,.ibs-quote blockquote,.ibs-stages-section .ibs-section-lead,.ibs-tanzaku{font-family:var(--ibs-serif-font)}.ibs a:focus-visible{outline:3px solid var(--ibs-rose);outline-offset:3px;border-radius:4px}.ibs-header{background:rgba(255,250,248,.94);border-bottom:1px solid var(--ibs-line)}.ibs-header-inner{max-width:1120px;margin:0 auto;padding:12px 20px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:6px 24px}.ibs-brand{font-size:1.1rem;font-weight:700;line-height:1.35;letter-spacing:.06em}.ibs-brand a{display:inline-flex;flex-direction:column;color:var(--ibs-ink)}.ibs-brand small{font-size:.72rem;font-weight:500;letter-spacing:.2em;color:var(--ibs-rose)}.ibs-header nav ul{display:flex;flex-wrap:wrap;gap:4px 6px;list-style:none}.ibs-header nav a{display:block;padding:6px 14px;border-radius:999px;font-family:var(--ibs-maru-font);font-weight:500;font-size:.98rem;letter-spacing:.08em;color:var(--ibs-ink);transition:background .2s,color .2s}.ibs-header nav a:hover{background:var(--ibs-sakura);color:var(--ibs-rose-deep)}.ibs main{max-width:1120px;margin:0 auto;padding:0 20px 76px}.ibs-petals{inset:0;pointer-events:none;z-index:0}.ibs-petal,.ibs-petals{position:absolute}.ibs-petal-pale{fill:#f6d6df}.ibs-petal-mid{fill:#efbccb}.ibs-petal-deep{fill:#e49cb0}.ibs-blossom{display:block;width:32px;height:32px;margin:0 auto 4px;fill:var(--ibs-sakura-mid)}.ibs-blossom .ibs-blossom-heart{fill:var(--ibs-rose);opacity:.55}.ibs-hero{position:relative;margin:0 -20px;padding:60px 40px 68px;overflow:hidden;border-radius:0 0 32px 32px;background:linear-gradient(160deg,#fffaf9,#fdeef2 70%,#fbe6ec)}.ibs-hero-photo{position:absolute;inset:0;background:url(/bookhp/ibuibu-shukatsu/sakura.webp) 70% 35%/cover no-repeat;opacity:.5;-webkit-mask-image:linear-gradient(100deg,transparent 22%,rgba(0,0,0,.55) 52%,#000 80%);mask-image:linear-gradient(100deg,transparent 22%,rgba(0,0,0,.55) 52%,#000 80%)}.ibs-hero-inner{position:relative;z-index:1;max-width:1000px;margin:0 auto;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,320px);grid-gap:56px;gap:56px;align-items:center}.ibs-hero-catch{display:inline-block;margin:0 0 16px;padding:4px 18px;border:1px solid var(--ibs-sakura-mid);border-radius:999px;background:rgba(255,255,255,.85);color:var(--ibs-rose-deep);font-size:1.02rem;font-weight:700;letter-spacing:.12em}.ibs-strike{position:relative;display:inline-block;color:#a8979e}.ibs-strike:after{content:"";position:absolute;left:-3px;right:-3px;top:52%;height:2px;background:var(--ibs-rose);transform:rotate(-14deg)}.ibs-kou{display:inline-block;margin-left:2px;color:var(--ibs-rose);font-size:1.3em;line-height:1}.ibs-hero h1{margin:0 0 14px;font-weight:700;line-height:1.35;letter-spacing:.05em}.ibs-h1-lead{display:block;font-size:1.55rem;letter-spacing:.16em;color:var(--ibs-leaf-deep)}.ibs-h1-main{display:block;font-size:2.75rem;color:var(--ibs-ink);text-shadow:0 0 18px rgba(255,255,255,.9)}.ibs-h1-sub{display:block;margin-top:10px;letter-spacing:.08em;color:var(--ibs-rose-deep)}.ibs-h1-sub,.ibs-hero-author{font-size:1.15rem;font-weight:500}.ibs-hero-author{margin:0 0 18px;letter-spacing:.2em}.ibs-hero-desc{max-width:34em;margin:0 0 26px;padding:14px 20px;border-radius:16px;background:rgba(255,255,255,.78)}.ibs-hero-actions{display:flex;flex-wrap:wrap;gap:12px}.ibs-hero-cover{margin:0}.ibs-hero-cover img{display:block;width:100%;border-radius:3px;background:#fff;transform:rotate(1.5deg);box-shadow:0 0 0 1px rgba(58,48,52,.08),14px 20px 40px rgba(143,53,83,.24)}.ibs .ibs-btn{display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;min-height:54px;padding:10px 32px;border:2px solid var(--ibs-rose);border-radius:999px;background:#fff;color:var(--ibs-rose-deep);font-size:1.02rem;font-weight:700;letter-spacing:.08em;line-height:1.5;text-align:center;transition:background .2s,color .2s}.ibs .ibs-btn:hover{background:var(--ibs-sakura)}.ibs .ibs-btn-fill{background:var(--ibs-rose);color:#fff}.ibs .ibs-btn-fill:hover{background:var(--ibs-rose-deep);border-color:var(--ibs-rose-deep);color:#fff}.ibs-btn small{font-size:.76rem;font-weight:500;letter-spacing:.04em;opacity:.95}.ibs .ibs-btn-wide{width:100%;max-width:400px;border-radius:18px}.ibs-section{max-width:960px;margin:0 auto;padding:76px 0 8px}.ibs-first-section{padding-top:20px}.ibs-section>h2{margin:0 0 18px;text-align:center;font-size:1.65rem;font-weight:700;line-height:1.5;letter-spacing:.1em}.ibs-section-lead{max-width:42em;margin:0 auto 34px;text-align:center;color:var(--ibs-sub)}.ibs-page-title{margin:40px 0 26px;text-align:center;font-size:2rem;font-weight:700;letter-spacing:.2em}.ibs-cite-inline{display:inline-block;margin-left:.3em;font-family:var(--sans,sans-serif);font-size:.82rem;color:var(--ibs-sub)}.ibs-small-note{margin-top:16px;text-align:center;font-size:.86rem;color:var(--ibs-sub)}.ibs-video-section video{display:block;width:100%;max-width:820px;height:auto;margin:0 auto;aspect-ratio:16/9;background:var(--ibs-sakura);border-radius:14px;box-shadow:0 0 0 1px var(--ibs-line),0 12px 32px rgba(143,53,83,.14)}.ibs-more{margin-top:18px}.ibs-chapter-more a,.ibs-more a,.ibs-worry-links a{color:var(--ibs-leaf-deep);font-weight:700;text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:5px}.ibs-chapter-more a:hover,.ibs-more a:hover,.ibs-worry-links a:hover{color:var(--ibs-rose-deep)}.ibs-center{text-align:center}.ibs-cta{margin-top:56px}.ibs-nowrap{display:inline-block}.ibs-sp{display:none}.ibs-sr{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}.ibs-quote{margin:0;padding:20px 24px 14px;border:1px solid var(--ibs-line);border-left:5px solid var(--ibs-sakura-mid);border-radius:6px 16px 16px 6px;background:var(--ibs-card)}.ibs-quote blockquote{font-size:1.04rem;line-height:2}.ibs-quote blockquote p+p{margin-top:.5em}.ibs-quote figcaption{margin-top:8px;text-align:right;font-size:.82rem;color:var(--ibs-sub)}.ibs-stages-section .ibs-section-lead{color:var(--ibs-ink);font-size:1.08rem}.ibs-stages{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));grid-gap:40px;gap:40px;max-width:840px;margin:0 auto 40px;list-style:none}.ibs-stage{position:relative;display:flex;flex-direction:column;align-items:center;padding:0 14px 24px;border-radius:16px;background:var(--ibs-card);text-align:center;box-shadow:0 0 0 1px var(--ibs-line),0 12px 28px rgba(143,53,83,.1)}.ibs-stage:before{content:"";align-self:stretch;height:22px;margin:0 -14px 18px;border-radius:16px 16px 0 0;background:radial-gradient(circle at 30% 50%,#fff 0 4px,transparent 4.6px),radial-gradient(circle at 70% 50%,#fff 0 4px,transparent 4.6px),var(--ibs-stage-color)}.ibs-stage:not(:last-child):after{content:"";position:absolute;top:50%;right:-29px;width:16px;height:16px;margin-top:-8px;border-top:3px solid var(--ibs-sakura-deep);border-right:3px solid var(--ibs-sakura-deep);transform:rotate(45deg)}.ibs-stage-1{--ibs-stage-color:#7fae5f;--ibs-stage-ink:var(--ibs-leaf-deep)}.ibs-stage-2{--ibs-stage-color:var(--ibs-sakura-deep);--ibs-stage-ink:var(--ibs-rose)}.ibs-stage-3{--ibs-stage-color:#b5627d;--ibs-stage-ink:var(--ibs-rose-deep)}.ibs-stage-age{font-size:2.7rem;font-weight:700;line-height:1.1;letter-spacing:.04em;color:var(--ibs-stage-ink)}.ibs-stage-name{display:block;margin-top:10px;font-size:1.28rem;font-weight:700;line-height:1.4}.ibs-stage-name small{display:block;font-size:.86rem;font-weight:500;color:var(--ibs-sub)}.ibs-stage-note{margin-top:10px;padding:1px 14px;border-radius:999px;background:var(--ibs-leaf-pale);color:var(--ibs-leaf-deep);font-size:.9rem;font-weight:500}.ibs-stage-1{box-shadow:0 0 0 3px #cfe3c1,0 12px 28px rgba(76,122,53,.16)}.ibs-stage-quotes,.ibs-worries{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:20px;gap:20px}.ibs-worries{list-style:none}.ibs-worry{display:grid;grid-template-columns:58px minmax(0,1fr);grid-column-gap:18px;column-gap:18px;align-content:start;padding:26px 26px 20px;border:1px solid var(--ibs-line);border-radius:20px;background:var(--ibs-card)}.ibs-worry>*{grid-column:2}.ibs-worry .ibs-topic-icon{grid-column:1;grid-row:1/span 3}.ibs-topic-icon{width:58px;height:58px;padding:12px;border-radius:50%;background:var(--ibs-sakura);fill:none;stroke:var(--ibs-rose);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.ibs-worry:nth-child(2n) .ibs-topic-icon{background:var(--ibs-leaf-pale);stroke:var(--ibs-leaf)}.ibs-worry h3{margin-bottom:6px;font-size:1.16rem;font-weight:700;line-height:1.55}.ibs-worry p{font-size:1rem}.ibs-worry-links{margin-top:10px}.ibs-worry-links a{display:block;font-size:.95rem}.ibs-mentors{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));grid-gap:20px;gap:20px;list-style:none}.ibs-mentor{display:flex;flex-direction:column;align-items:center;padding:26px 22px 16px;border:1px solid var(--ibs-line);border-radius:20px;background:var(--ibs-card)}.ibs-mentor-mark{display:grid;place-items:center;width:62px;height:62px;margin-bottom:12px;border-radius:50%;background:radial-gradient(circle at 32% 30%,#f8d3dd,#df8ba3);box-shadow:0 0 0 6px var(--ibs-sakura);color:#fff;font-size:1.55rem;font-weight:700;line-height:1;text-shadow:0 1px 2px rgba(143,53,83,.45)}.ibs-mentor:nth-child(2n) .ibs-mentor-mark{background:radial-gradient(circle at 32% 30%,#b9d8a6,#6f9f53);box-shadow:0 0 0 6px var(--ibs-leaf-pale);text-shadow:0 1px 2px rgba(58,97,39,.5)}.ibs-mentor h3{margin-bottom:8px;font-size:1.16rem;font-weight:700;letter-spacing:.08em}.ibs-mentor p{align-self:stretch;font-size:.98rem}.ibs-mentor .ibs-mentor-quote{margin-top:10px;padding:10px 14px;border-radius:12px;background:var(--ibs-sakura);color:var(--ibs-rose-deep);font-size:.98rem;line-height:1.85}.ibs-mentor .ibs-mentor-page{margin-top:auto;padding-top:10px;text-align:right;font-size:.8rem;color:var(--ibs-sub)}.ibs-excerpt-paper,.ibs-teaser{position:relative;max-width:780px;margin:0 auto;padding:38px 46px 28px;border-radius:6px;background:var(--ibs-card);box-shadow:0 0 0 1px var(--ibs-line),0 16px 36px rgba(122,95,82,.1)}.ibs-teaser-label{position:absolute;top:-15px;left:30px;padding:2px 16px;border-radius:999px;background:var(--ibs-leaf);color:#fff;font-size:.88rem;font-weight:700;letter-spacing:.1em}.ibs-excerpt{font-size:1.06rem;line-height:2.1}.ibs-excerpt .ibs-indent{text-indent:1em}.ibs-excerpt .ibs-omit{margin:6px 0;text-align:center;font-family:var(--sans,sans-serif);font-size:.85rem;letter-spacing:.3em;color:var(--ibs-sub)}.ibs-excerpt-paper h3{margin-bottom:14px;font-family:var(--ibs-serif-font);font-size:1.25rem;font-weight:600;letter-spacing:.1em}.ibs-haiku-feature{display:grid;grid-template-columns:auto minmax(0,1fr);grid-gap:48px;gap:48px;align-items:center;max-width:840px;margin:0 auto;padding:40px 48px;border:1px solid #f1e2c6;border-radius:26px;background:linear-gradient(135deg,#fffdf7,var(--ibs-cream))}.ibs-tanzaku{writing-mode:vertical-rl;margin:0;padding:26px 18px;border:1px solid #ecdcb9;border-radius:3px;background:radial-gradient(circle at 26% 9%,rgba(217,181,106,.55) 0 1.4px,transparent 1.9px),radial-gradient(circle at 72% 22%,rgba(217,181,106,.45) 0 1.1px,transparent 1.6px),radial-gradient(circle at 30% 47%,rgba(217,181,106,.4) 0 1.2px,transparent 1.7px),radial-gradient(circle at 76% 71%,rgba(217,181,106,.5) 0 1.4px,transparent 1.9px),radial-gradient(circle at 24% 90%,rgba(217,181,106,.45) 0 1.1px,transparent 1.6px),linear-gradient(180deg,#fff,#fffaf0);box-shadow:inset 0 0 0 5px #fff,inset 0 0 0 6px #f0dfbd,5px 8px 18px rgba(122,95,82,.16);font-size:1.45rem;line-height:1;letter-spacing:.08em;white-space:nowrap}.ibs-haiku-text h2{margin-bottom:8px;font-size:1.5rem;font-weight:700;letter-spacing:.1em}.ibs-haiku-intro{margin-bottom:16px;color:var(--ibs-sub)}.ibs-haiku-text .ibs-quote{background:rgba(255,255,255,.8)}.ibs-spec dl{max-width:740px;margin:0 auto;overflow:hidden;border:1px solid var(--ibs-line);border-radius:16px;background:var(--ibs-card)}.ibs-spec dl>div{display:grid;grid-template-columns:9em minmax(0,1fr);border-bottom:1px solid var(--ibs-line)}.ibs-spec dl>div:last-child{border-bottom:0}.ibs-spec dt{background:var(--ibs-sakura);font-size:.95rem;font-weight:700}.ibs-spec dd,.ibs-spec dt{padding:11px 18px}.ibs-desc{max-width:780px;margin:0 auto;padding:32px 40px;border:1px solid var(--ibs-line);border-radius:20px;background:var(--ibs-card);font-size:1.06rem;line-height:2.05}.ibs-desc p+p{margin-top:1em}.ibs-chapters{display:grid;grid-gap:24px;gap:24px}.ibs-chapter{padding:26px 32px 20px;border:1px solid var(--ibs-line);border-top:6px solid var(--ibs-chapter-color);border-radius:20px;background:var(--ibs-card)}.ibs-chapter-1{--ibs-chapter-color:var(--ibs-rose);--ibs-chapter-pale:var(--ibs-sakura)}.ibs-chapter-2{--ibs-chapter-color:var(--ibs-leaf);--ibs-chapter-pale:var(--ibs-leaf-pale)}.ibs-chapter-3{--ibs-chapter-color:var(--ibs-blue);--ibs-chapter-pale:var(--ibs-blue-pale)}.ibs-chapter-label{font-size:.88rem;color:var(--ibs-sub)}.ibs-chapter-label span{display:inline-block;margin-right:12px;padding:0 14px;border-radius:999px;background:var(--ibs-chapter-color);color:#fff;font-size:.95rem;font-weight:700;letter-spacing:.1em}.ibs-chapter h3{margin:8px 0 10px;font-size:1.4rem;font-weight:700;line-height:1.5;letter-spacing:.06em}.ibs-chapter-topics{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;list-style:none}.ibs-chapter-topics li{padding:2px 14px;border-radius:999px;background:var(--ibs-chapter-pale);font-size:.9rem}.ibs-chapter-note{margin:16px 0 0;padding:10px 18px;border-left:4px solid var(--ibs-gold);border-radius:0 12px 12px 0;background:var(--ibs-cream)}.ibs-chapter-note blockquote{font-size:.98rem}.ibs-chapter-note figcaption{font-size:.8rem;color:var(--ibs-sub);text-align:right}.ibs-chapter-more{margin-top:12px;text-align:right;font-size:.95rem}.ibs-toc{max-width:780px;margin:0 auto;padding:24px 36px 28px;border:1px solid var(--ibs-line);border-radius:20px;background:var(--ibs-card)}.ibs-toc-list{list-style:none}.ibs-toc-list li{display:grid;grid-template-columns:2.4em minmax(0,1fr) auto;grid-gap:0 12px;gap:0 12px;align-items:baseline;padding:6px 0;border-bottom:1px dotted #e8cdd5}.ibs-toc-no{text-align:right;font-weight:700;color:var(--ibs-rose)}.ibs-toc-no,.ibs-toc-page{font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.ibs-toc-page{color:var(--ibs-sub)}.ibs-toc-chapter h3{margin:26px 0 6px;padding:8px 16px;border-radius:12px;background:var(--ibs-sakura);font-size:1.1rem;font-weight:700;line-height:1.5;letter-spacing:.04em}.ibs-toc-chapter h3 span{margin-right:.8em;color:var(--ibs-rose)}.ibs-toc-last{margin-top:18px}@media (min-width:900px){.ibs-toc{max-width:920px}.ibs-toc-chapter .ibs-toc-list{column-count:2;column-gap:44px}.ibs-toc-list li{page-break-inside:avoid;break-inside:avoid}}.ibs-author{position:relative;max-width:780px;margin:0 auto;padding:30px 44px 26px;border:1px solid var(--ibs-line);border-radius:26px;background:var(--ibs-card);text-align:center}.ibs-author h2{font-size:2rem;font-weight:700;letter-spacing:.2em;line-height:1.4}.ibs-author-role{margin:4px 0 20px;font-size:.92rem;color:var(--ibs-sub)}.ibs-profile{display:grid;grid-gap:12px;gap:12px;text-align:left;list-style:none}.ibs-profile li{position:relative;padding-left:1.7em}.ibs-profile li:before{content:"";position:absolute;left:0;top:.5em;width:1em;height:1em;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%23e597ab' d='M12 23C5 17 3.5 9 8 3.5c1.2-1.3 2.6-.9 3.2.5l.8 1.6.8-1.6c.6-1.4 2-1.8 3.2-.5C20.5 9 19 17 12 23Z'/%3E%3C/svg%3E") 50% /contain no-repeat}.ibs-page-ref{display:inline-block;margin-left:.3em;font-size:.8rem;color:var(--ibs-sub)}.ibs-author-words{display:grid;grid-gap:16px;gap:16px;max-width:780px;margin:0 auto}.ibs-haiku-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));grid-gap:20px;gap:20px;list-style:none}.ibs-haiku-card{display:flex;flex-direction:column;padding:24px 24px 16px;border:1px solid var(--ibs-line);border-radius:18px;background:var(--ibs-card)}.ibs-haiku-lines{margin-bottom:14px;font-size:1.32rem;line-height:1.8}.ibs-haiku-lines span{display:block}.ibs-haiku-lines .ibs-haiku-line-2{padding-left:1.2em}.ibs-haiku-lines .ibs-haiku-line-3{padding-left:2.4em;color:var(--ibs-rose-deep)}.ibs-haiku-note{margin-top:auto;padding-top:10px;border-top:1px dashed var(--ibs-line);font-size:.92rem;color:var(--ibs-sub)}.ibs-prev-book{display:block;max-width:660px;margin:0 auto;padding:24px 30px 20px;border:1px solid var(--ibs-line);border-radius:20px;background:var(--ibs-card);color:var(--ibs-ink);transition:box-shadow .2s,transform .2s}.ibs-prev-book:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(143,53,83,.12)}.ibs-prev-label{display:inline-block;padding:0 12px;border-radius:999px;background:var(--ibs-leaf-pale);color:var(--ibs-leaf-deep);font-size:.82rem}.ibs-prev-book strong{display:block;margin:8px 0 4px;font-size:1.4rem;font-weight:700;line-height:1.5}.ibs-prev-meta{display:block;font-size:.9rem;color:var(--ibs-sub)}.ibs-prev-meta .ibs-nowrap{margin-right:1em}.ibs-prev-desc{display:block;margin:14px 0 10px;padding:14px 18px;border-radius:12px;background:var(--ibs-sakura);line-height:1.95}.ibs-prev-para{display:block}.ibs-prev-para+.ibs-prev-para{margin-top:.6em}.ibs-prev-go{display:block;text-align:right;color:var(--ibs-rose-deep);font-weight:700}.ibs-buy{display:grid;grid-template-columns:230px minmax(0,1fr);grid-gap:40px;gap:40px;align-items:start;max-width:880px;margin:0 auto;padding:34px 40px;border:1px solid var(--ibs-line);border-radius:26px;background:var(--ibs-card)}.ibs-buy img{display:block;width:100%;border-radius:3px;box-shadow:0 0 0 1px rgba(58,48,52,.08),8px 12px 26px rgba(143,53,83,.18)}.ibs-buy-heading{margin:22px 0 12px;font-size:1.18rem;font-weight:700;letter-spacing:.08em}.ibs-buy-links{display:grid;grid-gap:12px;gap:12px}.ibs-buy .ibs-small-note{text-align:left}.ibs-footer{padding:36px 20px 44px;border-top:1px solid var(--ibs-line);background:var(--ibs-sakura);text-align:center;font-size:.92rem;color:var(--ibs-sub)}.ibs-footer-title{color:var(--ibs-ink);font-weight:700}.ibs-footnote{margin-top:8px;font-size:.82rem}.ibs-publisher{margin-top:10px}.ibs-publisher a{color:var(--ibs-rose-deep);text-decoration:underline;text-underline-offset:4px}@media (max-width:960px){.ibs-haiku-list,.ibs-mentors{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width:760px){.ibs{font-size:1.03rem}.ibs-sp{display:inline}.ibs-pc{display:none}.ibs-header-inner{padding:10px 16px 8px}.ibs-brand{font-size:1rem}.ibs-header nav{width:100%}.ibs-header nav ul{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));grid-gap:4px;gap:4px}.ibs-header nav a{padding:5px 0;text-align:center;font-size:.84rem;letter-spacing:0;white-space:nowrap;background:rgba(252,236,240,.6)}.ibs main{padding:0 16px 60px}.ibs-hero{margin:0 -16px;padding:28px 18px 40px;border-radius:0 0 24px 24px}.ibs-hero-photo{background-position:60% 30%;opacity:.34;-webkit-mask-image:linear-gradient(180deg,#000,rgba(0,0,0,.45) 28%,transparent 46%);mask-image:linear-gradient(180deg,#000,rgba(0,0,0,.45) 28%,transparent 46%)}.ibs-hero-inner{grid-template-columns:minmax(0,1fr);gap:24px}.ibs-hero-cover{order:-1;width:190px;margin:0 auto}.ibs-hero-text{text-align:center}.ibs-hero-catch{font-size:.95rem;letter-spacing:.06em;padding:3px 14px}.ibs-h1-lead{font-size:1.2rem}.ibs-h1-main{font-size:1.72rem}.ibs-h1-sub{font-size:1rem}.ibs-hero-desc{text-align:left;padding:12px 16px}.ibs-hero-actions{justify-content:center}.ibs-hero-actions .ibs-btn{flex:1 1 100%}.ibs-section{padding-top:58px}.ibs-first-section{padding-top:12px}.ibs-section>h2{font-size:1.38rem}.ibs-page-title{margin:28px 0 18px;font-size:1.6rem}.ibs-section-lead{text-align:left;margin-bottom:26px}.ibs-stages{grid-template-columns:minmax(0,1fr);gap:30px}.ibs-stage{display:grid;grid-template-columns:5.2em minmax(0,1fr);align-items:center;grid-column-gap:12px;column-gap:12px;padding:0 18px 16px;text-align:left}.ibs-stage:before{grid-column:1/-1;margin:0 -18px 14px;height:16px}.ibs-stage-age{grid-row:2/span 2;font-size:2.1rem;text-align:center}.ibs-stage-name{margin-top:0;font-size:1.18rem}.ibs-stage-note{justify-self:start;margin-top:4px}.ibs-stage:not(:last-child):after{top:auto;bottom:-22px;right:50%;margin:0 -8px 0 0;transform:rotate(135deg)}.ibs-stage-quotes{grid-template-columns:minmax(0,1fr)}.ibs-quote{padding:16px 18px 12px}.ibs-haiku-list,.ibs-mentors,.ibs-worries{grid-template-columns:minmax(0,1fr)}.ibs-worry{grid-template-columns:46px minmax(0,1fr);column-gap:14px;padding:20px 18px 16px}.ibs-topic-icon{width:46px;height:46px;padding:9px}.ibs-mentor{display:grid;grid-template-columns:54px minmax(0,1fr);grid-column-gap:16px;column-gap:16px;align-items:start;padding:20px 18px 14px}.ibs-mentor>*{grid-column:2}.ibs-mentor .ibs-mentor-mark{grid-column:1;grid-row:1/span 2;width:50px;height:50px;font-size:1.3rem;box-shadow:0 0 0 4px var(--ibs-sakura)}.ibs-mentor h3{margin-top:8px}.ibs-excerpt-paper,.ibs-teaser{padding:32px 20px 22px}.ibs-teaser-label{left:16px}.ibs-excerpt{font-size:1.02rem}.ibs-haiku-feature{grid-template-columns:minmax(0,1fr);gap:24px;padding:30px 20px;justify-items:center}.ibs-haiku-text h2{text-align:center}.ibs-spec dl>div{grid-template-columns:8em minmax(0,1fr)}.ibs-spec dt{padding:10px 12px;font-size:.88rem}.ibs-spec dd{padding:10px 12px;font-size:.95rem}.ibs-desc{padding:22px 20px;font-size:1.02rem}.ibs-chapter{padding:20px 20px 16px}.ibs-chapter h3{font-size:1.22rem}.ibs-toc{padding:16px 16px 20px}.ibs-toc-list li{grid-template-columns:2em minmax(0,1fr) auto;gap:0 8px;font-size:.98rem}.ibs-toc-chapter h3{padding:8px 12px;font-size:1rem}.ibs-author{padding:24px 20px 20px}.ibs-author h2{font-size:1.7rem}.ibs-prev-book{padding:20px 20px 16px}.ibs-prev-book strong{font-size:1.2rem}.ibs-buy{grid-template-columns:minmax(0,1fr);gap:22px;padding:24px 20px}.ibs-buy img{width:180px;margin:0 auto}.ibs-buy .ibs-btn-wide{max-width:none}}@media (hover:none){.ibs-prev-book:hover{transform:none}}