.reading-progress{background:linear-gradient(90deg, var(--shu), var(--kin));z-index:60;width:0%;height:3px;transition:width .1s linear;position:fixed;top:0;left:0}.reader{padding-bottom:clamp(40px,8vw,90px)}.tobira{text-align:center;border-bottom:1px solid var(--hairline);padding:clamp(40px,9vw,110px) 0 clamp(30px,6vw,64px);position:relative}.tobira .genre-line{font-family:var(--sans);letter-spacing:.34em;color:var(--shu);align-items:center;gap:1em;margin-bottom:1.6em;font-size:.74rem;display:inline-flex}.tobira .genre-line:before,.tobira .genre-line:after{content:"";background:var(--shu);width:30px;height:1px}.tobira h1{letter-spacing:.1em;margin-bottom:.8em;font-size:clamp(2rem,6vw,3.4rem);line-height:1.5}.tobira .by{font-family:var(--serif);letter-spacing:.1em;color:var(--sumi-soft);align-items:center;gap:.7em;font-size:1.05rem;display:inline-flex}.tobira .by .seal{--s:30px;font-size:14px}.tobira .meta{font-family:var(--sans);letter-spacing:.1em;color:var(--ink-muted);flex-wrap:wrap;justify-content:center;gap:.5em 1.4em;margin-top:1.8em;font-size:.78rem;display:flex}.tobira-subtitle{font-family:var(--serif);letter-spacing:.08em;color:var(--shu-deep);margin:0 0 1.4em;font-size:clamp(1.02rem,2.4vw,1.28rem);font-weight:500}.tobira-lead{max-width:34em;color:var(--sumi-soft);text-align:left;background:var(--paper-card);border:1px solid var(--hairline);border-radius:var(--radius);margin:2.2em auto 0;padding:1.4em 1.6em;font-size:.98rem;line-height:2;position:relative}.tobira-lead .lead-label{font-family:var(--sans);letter-spacing:.22em;color:#fff;background:var(--shu);vertical-align:.15em;border-radius:999px;margin-right:.9em;padding:.25em .8em;font-size:.66rem;display:inline-block}.reader-toolbar{z-index:40;background:color-mix(in srgb, var(--paper) 88%, transparent);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border:1px solid var(--hairline);font-family:var(--sans);border-radius:999px;justify-content:space-between;align-items:center;gap:12px;margin:22px 0;padding:8px 10px;display:flex;position:sticky;top:66px}.reader-toolbar .group{align-items:center;gap:6px;display:inline-flex}.seg{border:1px solid var(--hairline-strong);border-radius:999px;display:inline-flex;overflow:hidden}.seg button{color:var(--sumi-soft);font-family:var(--sans);letter-spacing:.08em;cursor:pointer;background:0 0;border:none;padding:.45em 1em;font-size:.82rem;transition:background .2s,color .2s}.seg button[aria-pressed=true]{background:var(--shu);color:#fff}.reader-toolbar .label{letter-spacing:.14em;color:var(--ink-muted);font-size:.72rem}.stepper{border:1px solid var(--hairline-strong);border-radius:999px;align-items:center;gap:8px;padding:3px 8px;display:inline-flex}.stepper .step{color:var(--sumi-soft);cursor:pointer;background:0 0;border:none;border-radius:50%;place-items:center;width:28px;height:28px;transition:color .2s,background .2s;display:grid}.stepper .step:hover:not(:disabled){color:var(--shu);background:color-mix(in srgb, var(--shu) 10%, transparent)}.stepper .step:disabled{opacity:.35;cursor:default}.stepper .a{font-family:var(--serif);line-height:1}.stepper .a.sm{font-size:.82rem}.stepper .a.lg{font-size:1.18rem}.ticks{align-items:center;gap:4px;display:inline-flex}.tick{background:var(--hairline-strong);border-radius:50%;width:5px;height:5px;transition:background .2s,transform .2s}.tick.on{background:var(--shu);transform:scale(1.15)}.progress-readout{font-family:var(--sans);color:var(--ink-muted);font-variant-numeric:tabular-nums;margin-left:auto}.progress-readout .pct{color:var(--sumi-soft);font-size:.95rem;font-weight:700}.progress-readout .pct-unit{margin-left:1px;font-size:.7rem}.reader-stage{margin-top:8px}.honbun{font-family:var(--serif-body);font-size:var(--reader-fs,1.08rem);color:var(--sumi)}.honbun.yokogaki{letter-spacing:.03em;max-width:40em;margin-inline:auto;line-height:2.15}.honbun.yokogaki p{text-indent:1em;margin:0 0 .4em}.honbun.yokogaki p:first-of-type{text-indent:0}.honbun.yokogaki h2,.honbun.yokogaki h3{text-indent:0;letter-spacing:.08em;color:var(--shu-deep);text-align:center;margin:2.2em 0 1em;font-size:1.2em}.honbun.yokogaki hr{text-align:center;border:none;margin:2.4em 0}.honbun.yokogaki hr:before{content:"＊　＊　＊";letter-spacing:.5em;color:var(--shu)}.honbun.tategaki{writing-mode:vertical-rl;-webkit-writing-mode:vertical-rl;text-orientation:mixed;letter-spacing:.06em;overscroll-behavior-x:contain;border-block:1px solid var(--hairline);background:repeating-linear-gradient(90deg, transparent, transparent calc(2em - 1px), var(--hairline) calc(2em - 1px), var(--hairline) 2em) right top / 0 0;width:100%;max-width:100%;height:min(74vh,760px);min-height:420px;padding:10px 20px 10px 6px;line-height:1.85;overflow:auto hidden}.honbun.tategaki p{text-indent:1em;margin:0}.honbun.tategaki h2,.honbun.tategaki h3{letter-spacing:.14em;color:var(--shu-deep);margin:1.6em 0;font-size:1.15em}.honbun.tategaki hr{border:none;block-size:auto;margin:1.6em 0}.honbun.tategaki hr:before{content:"＊　＊　＊";letter-spacing:.5em;color:var(--shu)}.honbun.tategaki{text-spacing-trim:trim-start}.honbun.tategaki:focus{outline:none}.honbun.tategaki:focus-visible{outline:2px solid var(--shu);outline-offset:3px}.honbun.tategaki::-webkit-scrollbar{height:8px}.honbun.tategaki::-webkit-scrollbar-thumb{background:var(--hairline-strong);border-radius:999px}.scroll-hint{text-align:center;font-family:var(--sans);letter-spacing:.18em;color:var(--ink-muted);justify-content:center;align-items:center;gap:.6em;margin-top:14px;font-size:.74rem;display:flex}.scroll-hint .arr{color:var(--shu);animation:1.4s ease-in-out infinite nudge}@keyframes nudge{0%,to{transform:translate(0)}50%{transform:translate(-5px)}}.okuduke{border:1px solid var(--hairline);border-radius:var(--radius);background:var(--paper-card);font-family:var(--sans);margin-top:clamp(40px,7vw,80px);padding:clamp(24px,4vw,40px)}.okuduke .ttl{font-family:var(--serif);letter-spacing:.08em;align-items:center;gap:.6em;margin-bottom:1em;font-size:1.2rem;display:flex}.okuduke dl{grid-template-columns:auto 1fr;gap:.5em 1.4em;margin:0;font-size:.9rem;display:grid}.okuduke dt{color:var(--ink-muted);letter-spacing:.1em}.okuduke dd{color:var(--sumi-soft);margin:0}.okuduke .note{border-top:1px dashed var(--hairline-strong);color:var(--ink-muted);margin-top:1.4em;padding-top:1.2em;font-size:.82rem;line-height:1.9}.reader-nav{justify-content:space-between;gap:14px;margin-top:30px;display:flex}.reader-nav a{border:1px solid var(--hairline);border-radius:var(--radius);background:var(--paper-card);font-family:var(--sans);flex:1;padding:16px 20px;transition:border-color .2s,transform .2s}.reader-nav a:hover{border-color:var(--shu);transform:translateY(-2px)}.reader-nav .dir{letter-spacing:.16em;color:var(--shu);font-size:.7rem}.reader-nav .t{font-family:var(--serif);color:var(--sumi);margin-top:.3em;font-size:1.02rem}.reader-nav a.next{text-align:right}@media (max-width:560px){.reader-toolbar{border-radius:18px;flex-wrap:wrap;justify-content:center}.honbun.tategaki{height:70vh}.reader-nav{flex-direction:column}}